J. Richard Hess - Bioeconomy Conference 2009

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Feedstock Logistics Cost Challenge% of Production Costs100%90%80%70%60%50%40%30%20%10%0%Corn ETOHCellulose ETOHFeedstock Logistics Conversion
Feedstock Supply Logistics BarriersFeedstock Physical Property Challenges:• Material deconstruction – changes in physical form, rheological characteristics• Product yield density – biomass format and bulk/energy densities• Moisture management – aerobic stability, post-harvest physiology, temperature impactFeedstock Equipment Engineering Challenges:• Capacity and Operational Efficiency• Dry Matter Losses (including dust collection/control)• Operational WindowInterface Challenges:• Resource Quantities/Sustainability (Feedstock Production)• Biomass Resources Physical Properties (Feedstock Logistics)• Biomass Resources Chemical Properties (Biochem and Thermochem)ResourceUniform Feedstock Supply SystemLogistics ImprovementsConversion
Page 1: Biomass Material Property Challenge
Page 5 and 6: Conventional Bale Supply SystemMont
Page 7 and 8: Relationship between Herbaceous Bio
Page 9 and 10: Yield and bulk density data forlarg
Page 11 and 12: Path to Uniform Feedstock SupplySys
Page 13 and 14: Differential Properties ofPreproces
Page 15 and 16: Radiography Tests• Radiography Te
Page 17: Biorefining Depends on Feedstock

J. Richard Hess - Bioeconomy Conference 2009

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